11487445802345 has 32 divisors (see below), whose sum is σ = 14207484558624. Its totient is φ = 8912565043200.

The previous prime is 11487445802299. The next prime is 11487445802351. The reversal of 11487445802345 is 54320854478411.

It can be written as a sum of positive squares in 16 ways, for example, as 11434352886784 + 53092915561 = 3381472^2 + 230419^2 .

It is not a de Polignac number, because 11487445802345 - 2⁶ = 11487445802281 is a prime.

It is a super-2 number, since 2×11487445802345² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69406409 + ... + 69571721.

It is an arithmetic number, because the mean of its divisors is an integer number (443983892457).

Almost surely, 2^{11487445802345} is an apocalyptic number.

It is an amenable number.

11487445802345 is a deficient number, since it is larger than the sum of its proper divisors (2720038756279).

11487445802345 is a wasteful number, since it uses less digits than its factorization.

11487445802345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168573.

The product of its (nonzero) digits is 17203200, while the sum is 56.

The spelling of 11487445802345 in words is "eleven trillion, four hundred eighty-seven billion, four hundred forty-five million, eight hundred two thousand, three hundred forty-five".